Hi I understand during an update, paunch restarts containers whenever the hash of image is changed. TRIPLEO_CONFIG_HASH [1] is generated based on the config value specified [2] which is default to /var/lib/config-data/<service>. Many services specify path at /var/lib/config-data/puppet-generated/<service> ([3] for example). Hence the hash is not generated and update would fail for such services.
Solution: 1. Replace all /var/lib/config-data/puppet-generated/<service> with /var/lib/config-data/<service> in THTs. Downside side is not all files present here need to be mount to /var/lib/kolla/config_files/src:ro 2. Pass CONFIG_VOLUME_PREFIX for all relevant services for docker-puppet.py to get correct path. I have raised a bug for this [4]. This is very important for updates to work properly for all services. Looking forward to hear from the community. -- Thanking you Janki Chhatbar OpenStack | Docker | SDN simplyexplainedblog.wordpress.com [1]. https://github.com/openstack/tripleo-heat-templates/blob/master/docker/docker-puppet.py#L377 [2]. https://github.com/openstack/tripleo-heat-templates/blob/master/docker/docker-puppet.py#L362 [3]. https://github.com/openstack/tripleo-heat-templates/blob/master/docker/services/opendaylight-api.yaml#L101 [4]. https://bugs.launchpad.net/tripleo/+bug/1720208
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